
Eun Young Han, Ph.D.
Department of Radiation Physics, Division of Radiation Oncology
Present Title & Affiliation
Primary Appointment
Associate Professor, Department of Radiation Physics - Patient Care, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX
Associate Member, Joint Appointment, Department of Biomedical Sciences, The University of Texas Graduate School, Houston, TX
Education & Training
Degree-Granting Education
2005 | University of Florida, Gainesville, Florida, US, Ph.D. in Nuclear Engineering and Radiological Sciences |
Postgraduate Training
2005-2007 | Medical Physics Residency, University of Minnesota, Minneapolis, Minnesota |
Licenses & Certifications
2008 | ABR Therapeutic Medical Physics |
Experience & Service
Faculty Academic Appointments
Assistant Professor, Department of Radiation Physics, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, 2015 - 2020
Assistant Professor, Department of Radiation Oncology, University of Arkansas, Little Rock, Arkansas, 2010 - 2015
Administrative Appointments/Responsibilities
ACR Site Review for CNS Department, The University of Texas MD Anderson Cancer Center, Houston, Texas, 2022
Faculty Senate Representative, The University of Texas MD Anderson Cancer Center, Houston, Texas, 2019 - Present
Representative of Physics Safety Bench for CNS Department, Department of Radiation Physics, The University of Texas MD Anderson Center Center, Houston, TX, 2018 - 2023
Radiation Safety Officer, Department of Radiation Oncology Department, The University of Arkansas for Medical Sciences, Little Rock, Arkansas, 2011 - 2012
Medical Physics Residency Program Director, Department of Radiation oncology, The University of Arkansas for Medical Science, Little Rock, Arkansas, 2011 - 2015
Institutional Committee Activities
Member, Task Group No. 446: Technical guidance on patient hospital release of the radiopharmaceutical therapy patient (TG446), 2025 - Present
Member, Credential Committee for Medical Services (CCMS), 2023 - Present
Member, CFA Progress Review Committee, 2023
Member, Exam Committee, 2021
Member, Clinical Research Council, 2021 - 2023
Chair, International Council Volunteer Database Subcommittee (ICVDS), 2021 - Present
Member, Global Data and Information Exchange Committee (GDIEC), 2021 - Present
Member, Mid-Career Faculty Committee, 2020 - Present
Member, Electron Rollout Workgroup, 2020 - 2021
Member, SBRT SOP Standardization Workgroup Committee, 2020 - 2021
Member, Junior Faculty Committee, 2019 - 2020
Member, Faculty Senate, 2019 - Present
Member, Asian Oceanic Affairs Subcommittee, 2019 - 2020
Member, International Educational Activities Committee, 2019 - 2020
Member, Task Group to Develop a New System for Weekly Chart Check, 2018 - 2018
Member, Radiation Safety Committee, Radiation Oncology Department, 2011 - 2014
Member, Quality Care Committee, Radiation Oncology Department, 2011 - 2014
Chair, Medical Physics Residency Committee, Radiation Oncology Department, 2011 - 2014
Member, Faculty Search Committee, Radiation Oncology Department, 2011 - 2014
Honors & Awards
2025 - Present | ROC-STaR Recognition, The University of Texas MD Anderson Cancer Center |
2025 - Present | ROC-STaR Recognition, The University of Texas MD Anderson Cancer Center |
2024 | Golden Glove Quality & Safety Award, The University of Texas MD Anderson Cancer Center |
2024 - Present | Top Downloaded Article, Journal of Applied Clinical Medical Physics |
2023 - Present | Who's who in America, Marquis Who's who in America |
2023 - Present | ROC-STaR Recognition, The University of Texas MD Anderson Cancer Center |
2021 - Present | ROC-STaR Recognition, The University of Texas MD Anderson Cancer Center |
2021 - Present | ROC-STaR Recognition, The University of Texas MD Anderson Cancer Center |
2003 | Student Travel Award, Health Physics Society |
2002 - 2003 | Fellowship Award, Health Physic Society |
1998 | Excellent Graduate Award, Kyung-Hee University |
1994 - 1997 | Academic Merit Award, Kyung-Hee University |
Professional Memberships
Selected Presentations & Talks
Local Presentations
- 2025. High Performance CBCT Hypersight is here. Invited. GU/GYN QA meeting. Houston, Texas, US.
- 2023. Real-time spinal cord motion tracking for MR-guided spine SBRT. Invited. CNS Research meeting. Houston, Texas, US.
- 2023. Spine SBRT at MD Anderson. Invited. GU/GYN service meeting. Houston, Texas, US.
- 2021. Recommendation regarding Electron Roll-Out. Invited. CNS service meeting. Houston, Texas, US.
- 2021. CourtLab clinical faculty speak series. Invited. CourtLab meeting. Houston, Texas, US.
- 2019. How to Review RayStation Plan for Initial Plan Check. Invited. CNS service meeting. Houston, Texas, US.
- 2019. PTV margin for brain and spine treatment (Clinical Protocol 2018-1096 Activation). Invited. CNS service meeting. Houston, Texas, US.
- 2019. Gamma Knife ICON: Frameless Capabilities and Commissioning. Invited. Medical physics monthly seminar. Houston, Texas, US.
- 2019. PTV margin for brain and spine treatment. Invited. CNS research meeting. Houston, Texas, US.
- 2018. ExacTrac Volume of Interest (VOI) application and recommendation. Invited. CNS service meeting. Houston, Texas, US.
- 2018. PTV margin for SRS brain with ExacTrac system. Invited. CNS service meeting. Houston, Texas, US.
- 2016. Introduction of Programmable Brain Shunt. Invited. CNS service meeting. Houston, Texas, US.
Regional Presentations
- 2014. Applications of computation phantoms. Invited. Seminar. Houston, Texas, US.
- 2014. Dosimetric comparison of the 3D conformal plans using dynamic jaw. Invited. Seminar, CA, US.
- 2014. Applications of computation phantoms. Invited. Seminar. Memphis, TN, US.
- 2014. Applications of computation phantoms. Invited. Seminar. Richmond, VA, US.
- 2009. Evaluation of surface dose for head and neck cancer. Invited. Seminar. Little Rock, AR, US.
- 2005. Stylized phantoms for internal and external dosimetry. Invited. Seminar. Minneapolis, MN, US.
- 2002. Revised dosimetric model of the extrathoracic and thoracic regions. Conference. Health Physics Society, Florida Chapter. Fort Lauderdale, FL, US.
National Presentations
- 2025. Development and Implementation of MRI-Only Simulation, Planning and Treatment Workflow for Pelvic Radiotherapy Using Synthetic CT on MR-Linac (accepted). Poster. AAPM Annual Meeting, Washington, DC. Los Angeles, California, US.
- 2025. Optimizing Prostate Cancer Radiotherapy: Comprehensive Analysis of Automated Planning with Neural Network-Based Dose Prediction (accepted). Poster. AAPM Annual Meeting, Washington, DC. Los Angeles, CA, US.
- 2024. SU300-GPD(A)-LOUNGE-127 - Comparison of Adaptive Optimization Techniques for MR-Linac Based Spine Stereotactic Radiotherapy. Poster. AAPM Annual Meeting, Los Angeles, CA. Los Angeles, California, US.
- 2024. SU300-GPD(A)-LOUNGE-472 - Rule-Based Automatic Planning for Hippocampus Sparing Whole Brain Radiotherapy. Poster. AAPM Annual Meeting, Los Angeles, CA. Los Angeles, California, US.
- 2024. PO-GPV-M-5 - Evaluation of Patient Setup Uncertainties in Brain and Spine Stereotactic Radiosurgery. Poster. AAPM Annual Meeting, Los Angeles, CA. Los Angeles, California, US.
- 2024. PO-GPV-P-89 - Clinical Protocol and Commissioning Focused on Spine SBRT on MR-Linac. Poster. AAPM Annual Meeting, Los Angeles, CA. Los Angeles, California, US.
- 2024. PO-GPV-P-86 - Robustness Analysis of Positioning Uncertainties for Spinal SABR on Two Modern Radiation Therapy Modalities. Poster. AAPM Annual Meeting, Los Angeles, CA. Los Angeles, California, US.
- 2024. PO-GPV-P-45 - Advancing Global Medical Physics: AAPM Member Survey and Volunteer Database for International Collaboration. Poster. AAPM Annual Meeting, Los Angeles, CA. Los Angeles, California, US.
- 2023. Real-Time Spinal Cord Motion Tracking for MR-guided Spine SBRT (5min Oral presentation). Conference. 65th ASTRO Annual Meeting. San Diego, California, US.
- 2023. Investigating Variations in the Clinical Use of Automated Contouring. Poster. AAPM 65th Annual Meeting & Exhibition. Houston, Texas, US.
- 2023. Klarity system on Elekta Unity System for Spine SBRT. Poster. AAPM 65th Annual Meeting & Exhibition. Houston, Texas, US.
- 2023. Rule-based autoplanning for Skull base Stereotactic Body Radiotherapy. Poster. AAPM 65th Annual Meeting & Exhibition. Houston, Texas, US.
- 2023. Managing Risk When Deploying Auto-Contouring and Auto-Planning Tools to Clinics with Limited Resources. Poster. AAPM 2024 65th Annual Meeting & Exhibition. Houston, Texas, US.
- 2022. Dosimetric impact of tumor treating fields transducer arrays on concurrent radiation therapy for pediatric brain tumors. Poster. 54th Congress of the International Society of Pediatric Oncology (SIOP). Barcelona, ES.
- 2022. Salvage Spine Stereotactic Re-Irradiation Treatment Planning and Daily Plan Adaptation Using MR-Linac. Poster. AAPM Annual Meeting, Washington, DC. Washington, DC, US.
- 2022. Development and Validation of a Physics Safety Checklist for Review of Automatically Generated Treatment Plans. Poster. AAPM Annual Meeting, Washington, DC. Washington, DC, US.
- 2022. Feasibility of Stereotactic Radiotherapy for Base of Tongue Cancers On the MR-Linac. Poster. AAPM Annual Meeting, Washington, DC. Washington, DC, US.
- 2022. Evaluation of Delivered Dose Using Synthetic CT for MR-Guided and CT-Guided Radiotherapy. Poster. AAPM Annual Meeting, Washington, DC. Washington, DC, US.
- 2022. Hazard Testing to Probe Points of Weakness in Automated Planning Tools. Poster. AAPM Annual Meeting, Washington, DC. Washington, DC, US.
- 2022. Evaluation of delivered dose using synthetic CT for MR-guided and CT-guided radiotherapy. Poster. MR-Linac Consortium meeting. Houston, Texas, US.
- 2022. Dosimetric Analysis of MR-Linac Treatment Palns for Salvage Spine SBRT Re-Irradiation. Poster. MR-Linac Consortium meeting. Houston, Texas, US.
- 2022. Feasibility of stereotactic radiotherapy for base of tongue cancers on Elekta MR-Linac. Poster. MR-Linac Consortium meeting. Houston, Texas, US.
- 2021. Dosimetric impact of tumor treating fields transducer arrays on concurrent radiation therapy for pediatric brain tumor. Poster. Society for Neuro-Oncology (SNO) Annual Meeting. Boston, Massachusetts, US.
- 2021. Brain Stereotactic Radiosurgery using MR-Guided Online Adaptive Planning to Daily Setup Variation: An End-To-End Test. Poster. AAPM Annual Meeting, virtual. Virtual, US.
- 2021. Comparison of Intrafractional Motion Monitoring During Spine Stereotactic Body Radiation Therapy Using Multiple Immobilization Systems. Poster. AAPM Annual Meeting, virtual. Virtual, US.
- 2021. Comparison of Three Cushion Types for Gamma Knife Icon Mask Treatment. Poster. AAPM Annual Meeting, virtual. Virtual, US.
- 2021. Feasibility of Skull Base Stereotactic Radiotherapy on Elekta MR-Linac. Poster. AAPM Annual Meeting, virtual. Virtual, US.
- 2020. Dosimetric Analysis of Automated Treatment Planning for Whole Brain Radiotherapy with A Deep Learning Approach. Poster. 2020 Joint AAPM/COMP virtual meeting. Vancouver, CA.
- 2020. Spinal Stereotactic Radiotherapy Treatment Plan Quality and Delivery Comparison Between a Conventional Linac and a 1.5T MR-Linac. Poster. 2020 Joint AAPM/COMP virtual meeting. Vancouver, CA.
- 2020. PTV Margins for Gamma Knife Icon Frameless Treatment: A Validation Study. Poster. 2020 Joint AAPM/COMP virtual meeting. Vancouver, CA.
- 2020. 3D-Printed Headrest for Frameless Gamma Knife Radiosurgery: Design and Validation. Poster. 2020 Joint AAPM/COMP Meeting. Vancouver, CA.
- 2020. Setup and Intrafractional Motion Error in the Hypo-Fractionated Brain Radiosurgery and the Effectiveness of Bite Block. Poster. 2020 Joint AAPM/COMP virtual meeting. Vancouver, CA.
- 2019. Use of non-composite shots for robust planning in Gamma Knife Icon mask-based treatment. Conference. ISRS Congress, Oral Presentation. Rio de Janeiro, BR.
- 2018. End-to-End Test of Automatic Plan Optimization Using RayStation Scripting for Hypo-Fractionated Multi-Metastatic Brain SRT. Poster. AAPM Annual Meeting, poster session. Nashville, Tennessee, US.
- 2017. Using Customized Headrest to Increase the Reproducibility of C-Spine Curvature in Spinal SBRT. Poster. AAPM Annual Meeting, poster session. Denver, Colorado, US.
- 2017. Comparison of Conventional CT and Dual Energy CT On Metal Artifact Reduction for the Pacemaker Patients in Gamma Knife Radiosurgery. Poster. AAPM Annual Meeting, poster session. Denver, Colorado, US.
- 2017. Small Field Spine Radiosurgery IMRT QA with Octavius 4D: Chamber Comparison and Beam Model Assessment. Poster. AAPM Annual Meeting, poster session. Denver, Colorado, US.
- 2017. Verification of Electron Return Effect in MR LINAC On Pediatric Patients for Whole Lung Irradiation and Bolus Effect. Conference. AAPM Annual Meeting, Denver CO, Therapy Section Snap Oral. Denver, Colorado, US.
- 2014. Dosimetric comparison of the three dimensional conformal plans using dynamic Jaw vs. Fixed Jaw of TomoTherapy HDA. Poster. AAPM Annual Meeting, poster session. Austin, TX, US.
- 2013. Assessment of monthly linear accelerator beam profile constancy based on AAPM TG-142 recommendations. Poster. AAPM Annual Meeting, poster session. Indianapolis, IN, US.
- 2012. Dose assessment of external radiation exposure to voxel family members interacting with patients following I-131 therapy. Poster. AAPM Annual Meeting, poster session. Charlotte, NC, US.
- 2011. Using Monte Carlo in the Design of Small Animal Irradiator Collimators. Poster. AAPM Annual Meeting, poster session. Vancouver, CA.
- 2010. Static Beam Collimation Settings to Minimize Radiation Dose to Normal Brain Tissue during Stereotactic Radiosurgery. Poster. AAPM Annual Meeting, poster session. Philadelphia, PA, US.
- 2006. Evaluation of Surface and Superficial Dose for Head and Neck Treatments using Conventional or Intensity Modulated Techniques. Poster. AAPM Annual Meeting, poster session. Orlando, FL, US.
- 2006. The Response of RadioChromic EBT film in High-Energy Electron Beams. Poster. AAPM Annual Meeting, poster session. Orlando, FL, US.
- 2004. Influences of elemental composition of body tissues on photon absorbed fractions for nuclear medicine dosimetry. Conference. AAPM Annual Meeting, Pittsburgh, PA. Pittsburgh, PA, US.
- 2003. Revisions to the ORNL series of stylized mathematical models of the human body. Conference. Health Physics Society Annual Conference, San Diego, CA. San Diego, CA, US.
International Presentations
- 2025. Pilot Study: Optimizing Motion Management in Spine SBRT on the MR-Linac. Conference. 11th Annual Symposium on Magnetic Resonance in Radiation Therapy. New York, US.
- 2024. Real Time Motion Tracking for MR-guided Spine SBRT (Pilot Study). Poster. ESTRO 2024 Annual Meeting. Glasgow, US.
- 2023. Surface-guided imaging with ExacTrac Dynamic System. Poster. ESTRO Annual Meeting. Vienna, AT.
- 2022. Spine SBRT at MD Anderson. Invited. Seminar at Department of Radiation Oncology, CN.
- 2022. The status of Spine SBRT at MD Anderson. Invited. Seminar at Department of Radiation Oncology, KR.
- 2021. End-to-End Test for Spine Stereotactic Radiosurgery on MR-Linac using RTsafe Spine Phantom. Invited. International Medical Physics Webinar, US.
- 2021. MDACC - End to End Test for CNS application. Invited. 16th Elekta MR-Linac International Consortium,, US.
- 2020. Brain and spine SRS in MD Anderson (cancelled due to Covid19). Invited. The 9th Korea-Japan Joint Meeting on Medical Physics, US.
- 2014. CT to CBCT image deformation for Lung SBRT. Invited. Seminar, KR.
- 2014. Dosimetric comparison of the 3D conformal plans using dynamic Jaw. Invited. Seminar. Seoul, KR.
- 2013. Organ S values and effective doses following i-131 treatment. Invited. Seminar. Yong-In, KR.
- 2013. Radionuclide S-values for of victims from radiological terrorist events. Invited. Seminar. Seoul, KR.
Formal Peers
- 2023. GK ICON Radiation Safety Training to Clinical Staff. Houston, Texas, US.
Grant & Contract Support
Date: | 2025 - 2026 |
Title: | FLASH proton therapy: an innovative ultra-fast and ultra-sharp scalpel for radiosurgery |
Funding Source: | Institutional Research Grant (IRG) of MD Anderson |
Role: | Co-PI |
ID: | 2025-00064784-Y1 ($75000) |
Date: | 2023 - Present |
Title: | Improving Quality and Safety of Spine Radiosurgery by using MR-Guided Linear Accelerators |
Funding Source: | Department of Radiation Oncology |
Role: | Co-PI |
ID: | ROSI Quality and Safety Seed Grant ($25000) |
Date: | 2022 - Present |
Title: | Developing Cost-Effective Registration Workflow to Scale Up the Radiation Planning Assistant (RPA) System in Low- and Middle-Income Countries |
Funding Source: | Department of Radiation Oncology |
Role: | PI |
ID: | ROSI Global RT Seed Grant ($50000) |
Date: | 2022 - Present |
Title: | Auto-Planning for Head and Neck Stereotactic Radiation Therapy |
Funding Source: | Department of Radiation Physics |
Role: | Co-PI |
ID: | Department of Radiation Physics Internal Grant |
Date: | 2021 |
Title: | Innovating Spine Radiosurgery by MR-Guided Linear Accelerators |
Funding Source: | NIH |
Role: | Co-PI |
ID: | R21 Grant |
Date: | 2019 |
Title: | Delineating Clinical Guidelines for Location-Dependent Margin Expansions in Frameless Gamma Knife Treatment Using 3D Gel Dosimetry |
Funding Source: | Department of Radiation Oncology |
Role: | Co-PI |
ID: | ROSI Seed Award for Trainee |
Date: | 2018 - 2020 |
Title: | Development of Automated Treatment Planning for CNS Disease |
Funding Source: | Department of Radiation Physics |
Role: | Co-PI |
ID: | Department of Radiation Physics Internal Grant |
Date: | 2018 |
Title: | Evaluating Spine Motion on MR-Linac for Assessing Feasibility of Spine Radiosurgery on MR-Linac |
Funding Source: | MD Anderson Cancer Center |
Role: | PI |
ID: | ROSI Grant |
Date: | 2016 - 2017 |
Title: | Dosimetric Evaluation Regarding Pediatric Patients on the MR-Linac |
Funding Source: | Elekta |
Role: | PI |
ID: | RCTS #LS2016-00053391-JW |
Date: | 2014 |
Title: | Efficacy of TomoDirect on Heart Dose Reduction of Early Stage Left-Sided Breast Cancer |
Funding Source: | Seeds of Science Awards |
Role: | PI |
ID: | University of Arkansas for Medical Sciences Seeds of Science Awards |
Date: | 2011 |
Title: | Assessment of External Radiation Exposure to Individuals Interacting with Patients Following I-131 Therapy |
Funding Source: | Medical Research Endowment |
Role: | PI |
ID: | University of Arkansas for Medical Sciences Medical Research Endowment |
Date: | 2010 |
Title: | Optimization of Static Beam Collimation Settings to Minimize Radiation Dose to Normal Brain Tissue during Stereotactic Radiosurgery |
Funding Source: | Medical Research Endowment |
Role: | PI |
ID: | University of Arkansas for Medical Sciences |
Selected Publications
Peer-Reviewed Articles
- Rhee DJ, Perni S, Perrin KJ, Casey KE, Leone AO, Nguyen CM, Court LE, Wang H, Wang X, Han EY. Semi-automated hippocampal avoidance whole-brain radiotherapy planning. J Appl Clin Med Phys 26(7):e70076, 2025. e-Pub 2025. PMID: 40653628.
- Rhee DJ, Perni S, Perrin KJ, Casey KE, Leone AO, Nguyen CM, Court LE, Wang H, Wang X, Han EY. Semi-automated hippocampal avoidance whole-brain radiotherapy planning. J Appl Clin Med Phys, 2025. e-Pub 2025.
- Wang, H, Yang, J, Lee, A, Phan, J, Lim, TY, Fuller, C, Han, EY, Rhee, DJ, Salzillo, TC, Zhao, Y, Chopra, N, Pham, M, Castillo, P, Sobremonte, A, Moreno, AC, Reddy, JP, Rosenthal, D, Garden, AS, Wang, X. MR-guided stereotactic radiation therapy for head and neck cancers. Clin Transl Radiat Oncol 46:100760, 2024. e-Pub 2024. PMID: 38510980.
- Nealon, KA, Han, EY, Kry, SF, Nguyen, C, Pham, M, Reed, VK, Rosenthal, D, Simiele, SJ, Court, LE. Monitoring Variations in the Use of Automated Contouring Software. Practical radiation oncology 14(1):e75-e85, 2024. e-Pub 2024. PMID: 37797883.
- Nealon KA, Douglas RJ, Han EY, Kry SF, Reed VK, Simiele SJ, Court LE. Hazard testing to reduce risk in the development of automated planning tools. J Appl Clin Med Phys 24(8):e13995, 2023. e-Pub 2023. PMID: 37073484.
- Vaccarelli, MJ, Krafft, SP, Briere, TM, Svensson, S, Han, EY. Evaluation of RayStation's delivered dose and accumulated dose features for spine stereotactic radiotherapy. Med Dosim 48(1):1-7, 2023. e-Pub 2023.
- Quan E, Krafft SP, Briere TM, Vaccarelli MJ, Ghia AJ, Bishop AJ, Yeboa DN, Swanson TA, Han EY. Comparison of setup accuracy and efficiency between the Klarity system and BodyFIX system for spine stereotactic body radiation therapy. J Appl Clin Med Phys 23(11):e13804, 2022. e-Pub 2022. PMID: 36210179.
- Han EY, Yeboa DN, Briere TM, Yang J, Wang H. Dosimetric analysis of MR-LINAC treatment plans for salvage spine SBRT re-irradiation. J Appl Clin Med Phys 23(10):e13752, 2022. e-Pub 2022. PMID: 36004700.
- Nealon KA, Court LE, Douglas RJ, Zhang L, Han EY. Development and validation of a checklist for use with automatically generated radiotherapy plans. J Appl Clin Med Phys 23(9):e13694, 2022. e-Pub 2022. PMID: 35775105.
- Han EY, Wang H, Briere TM, Yeboa DN, Boursianis T, Kalaitzakis G, Pappas E, Castillo P, Yang J. Brain stereotactic radiosurgery using MR-guided online adaptive planning for daily setup variation: An end-to-end test. J Appl Clin Med Phys 23(3):e13518, 2022. e-Pub 2022. PMID: 34994101.
- Han EY, Cardenas CE, Nguyen C, Hancock D, Xiao Y, Mumme R, Court LE, Rhee DJ, Netherton TJ, Li J, Yeboa DN, Wang C, Briere TM, Balter P, Martel MK, Wen Z. Clinical implementation of automated treatment planning for whole-brain radiotherapy. J Appl Clin Med Phys 22(9):94-102, 2021. e-Pub 2021. PMID: 34250715.
- Han EY, Diagaradjane P, Luo D, Ding Y, Kalaitzakis G, Zoros E, Zourari K, Boursianis T, Pappas E, Wen Z, Wang J, Briere TM. Validation of PTV margin for Gamma Knife Icon frameless treatment using a PseudoPatient® Prime anthropomorphic phantom. J Appl Clin Med Phys 21(9):278-285, 2020. e-Pub 2020. PMID: 32786141.
- Baltz GC, Briere T, Luo D, Howell RM, Krafft S, Han EY. 3D-printed headrest for frameless Gamma Knife radiosurgery: Design and validation. J Appl Clin Med Phys 21(9):6-15, 2020. e-Pub 2020. PMID: 32603542.
- Luo D, Han EY, Wen Z, Mackin DS, Krafft SP, Li J, Wang X, Briere TM. Use of uniform shots for robust planning of mask-based treatment in Gamma Knife Icon. Phys Med 73:135-157, 2020. e-Pub 2020. PMID: 32361402.
- Han EY, Aima M, Hughes N, Briere TM, Yeboa DN, Castillo P, Wang J, Yang J, Vedam S. Feasibility of spinal stereotactic body radiotherapy in Elekta Unity® MR-Linac. J Radiosurg SBRT 7(2):127-134, 2020. e-Pub 2020. PMID: 33282466.
- Han EY, Wang H, Luo D, Li J, Wang X. Dosimetric comparison of fractionated radiosurgery plans using frameless Gamma Knife ICON and CyberKnife systems with linear accelerator-based radiosurgery plans for multiple large brain metastases. J Neurosurg 132(5):1473-1479, 2019. e-Pub 2019. PMID: 30952125.
- Han EY, Kim GY, Rebueno N, Yeboa DN, Briere TM. End-to-end testing of automatic plan optimization using RayStation scripting for hypofractionated multimetastatic brain stereotactic radiosurgery. Med Dosim 44(4):e44-e50, 2019. e-Pub 2019. PMID: 306551.
- Han EY, Luo D, Kim JO, Tharp K, Wen Z, Briere TM. Dosimetric validation of the Gamma Knife® IconTM plan adaptation and high-definition motion management system with a motorized anthropomorphic head phantom. J Radiosurg SBRT 6(3):217-226, 2019. e-Pub 2019. PMID: 31998542.
- Han EY, Wen Z, Lee HJ, Paulino AD, Lee C. Measurement of Electron Return Effect and Skin Dose Reduction by a Bolus in an Anthropomorphic Physical Phantom under a Magnetic Resonance Guided Linear Accelerator (MR-LINAC) System. Intl J Med Phys, Clin Eng Radiat Oncol 7(3):339-346, 2018. e-Pub 2018.
- Paudel NR, Narayanasamy G, Han EY, Penagaricano J, Mavroidis P, Zhang X, Pyakuryal A, Kim D, Liang X, Morrill S. Dosimetric and radiobiological comparison for quality assurance of IMRT and VMAT plans. J Appl Clin Med Phys 18(5):237-244, 2017. e-Pub 2017. PMID: 28771941.
- Han EY, Paudel N, Sung J, Yoon M, Chung WK, Kim DW. Estimation of the risk of secondary malignancy arising from whole-breast irradiation: comparison of five radiotherapy modalities, including TomoHDA. Oncotarget 7(16):22960-229609, 2016. e-Pub 2016. PMID: 27027239.
- Paudel N, Narayanasamy G, Han EY, Zhang X, Thapa B, Penagaricano J, Liang X, Morrill S. Impact of jaw position on sparing organs at risk in 3-dimensional conformal radiation therapy of pancreatic cancer. Int J Cancer Ther Oncol 4(1):4117-4121, 2016. e-Pub 2016.
- Liang X, Penagaricano J, Zheng D, Morrill S, Zhang X, Corry P, Griffin RJ, Han EY, Hardee M, Ratanatharathom V. Radiobiological impact of dose calculation algorithms on biologically optimized IMRT lung stereotactic body radiation therapy plans. Radiat Oncol 11:10, 2016. e-Pub 2016. PMID: 26800883.
- Han EY, Kim D, Zhang X, Penagaricano J, Liang X, Hardee M, Morrill S, Ratanatharathorn V. Dosimetric effect on pediatric conformal treatment plans using dynamic jaw with Tomotherapy HDA. Med Dosim 40(3):244-247, 2015. e-Pub 2015. PMID: 25771837.
- Han EY, Chao M, Zhang X, Penagaricano J. Feasibility study on deformable image registration for lung SBRT patients for dose-driven adaptive therapy. Intern J Med Phys, Clin Eng Radiat Oncol 4(3):224-232, 2015. e-Pub 2015.
- Han EY, Ha W-H, Jin Y-W, Bolch W, Lee C. Effective dose conversions for health care provider exposed to pediatric and adult victims in radiological dispersal device incident. J Radiol Prot 35(1):37-45, 2015. e-Pub 2015. PMID: 25502317.
- Han EY, Kim DW, Zhang X, Penagaricano J, Liang X, Hardee M, Morrill S, Ratanatharathorn V. Dosimetric effect on pediatric conformal treatment plans using dyamic jaw with tomotherapy HDA. Med Dosim 40(3):244-7, 2015. e-Pub 2015. PMID: 25771837.
- Takahashi Y, Vagge S, Agostinelli S, Han EY, Matulewicz L, Schubert K, Chityala R, Ratanatharathorn V, Tournel K, Penagaricano JA, Florian S, Mahe M-A, Verneris MR, Weisdorf DJ, Corvo R, Dusenbery KE, Storme G, Hui SK. Multi-institutional feasibility study of a fast patient localization method in total marrow irradiation with Helical Tomotherapy – A global health initiative by International Consortium of Total Marrow Irradiation. Int J Rad Onc Biol Phys 91(1):30-38, 2015. e-Pub 2015. PMID: 25442340.
- Zhang X, Penagaricano J, Yan Y, Sharma S, Griffin R, Hardee M, Han EY, Ratanatharathom V. Application of spatially fractionated radiation (GRID) to helical Tomotherapy using a novel TOMOGRID template. Technol Cancer Res Treat 15(1):91-100, 2014. e-Pub 2014. PMID: 24000988.
- Sharma S, Moros EG, Boerma M, Sridharan V, Han EY, Clarkson R, Hauer-Jensen M, Corry PM. A novel technique for image-guided local heart irradiation in the rat. Technol Cancer Res Treat 13(6):593-603, 2014. e-Pub 2014. PMID: 24000983.
- Zhang X, Penagaricano J, Han EY, Liang X, Morrill S, Hardee M, Gupta SK, Corry PM, Ratanatharathom V. Dosimetric Comparison of Craniospinal Irradiation Using Different Tomotherapy Techniques. Technol Cancer Res Treat 14(4):440-446, 2014. e-Pub 2014. PMID: 25398680.
- Han EY, Lee C, McGuire L, Bolch WE. A practical guideline for the release of patients treated by I-131 based on Monte Carlo dose calculations for family members. J Radiol Prot 34(2):N7-N17, 2014. e-Pub 2014. PMID: 24705486.
- Han EY, Lee C, McGuire L, Brown T, Bolch WE. Organ S values and effective doses for family members exposed to adult patients following I-131 treatment: A Monte Carlo simulation study. Med Phys 40(8):083901, 2013. e-Pub 2013. PMID: 23927361.
- Han EY, Clarkson R, Sharma S, Corry PM, Moros EG, Ratanatharathorn V. X-ray collimator design using Monte Carlo simulations. Bio. Med. Eng 25(6):1350054, 2013. e-Pub 2013.
- Han EY, Lee CL, Bolch WE. TEDE per cumulated activity for family members exposed to adult patients treated with 131I. Radiat Prot Dosimetry 153(4):448-456, 2012. e-Pub 2012. PMID: 22821723.
- Han EY, Zhang X, Yan Y, Sharma S, Penagaricano J, Moros E, Corry P. Static jaw collimation settings to minimize radiation dose to normal brain tissue during stereotactic radiosurgery. Med Dosim 37(4):391-395, 2012. e-Pub 2012. PMID: 22552119.
- Watanabe Y, Han E. Image registration accuracy of Gamma plan: A phantom study. J Neurosurg 109(Suppl):21-24, 2008. e-Pub 2008. PMID: 19123884.
- Higgins D, Han EY, Yuan JL, Hui S, Lee CK. Evaluation of surface and superficial dose for head and neck treatments using conventional or intensity modulated techniques. Phys Med Biol 52(4):1135-1146, 2007. e-Pub 2007.
- Lee C, Lee C, Han EY, Bolch W. Consideration of the ICRP 2006 revised tissue weighting factors on age-dependent values of the effective dose for external photon. Phys Med Biol 52(1):41-58, 2007. e-Pub 2007. PMID: 17183127.
- Han EY, Bolch WE, Eckerman KF. Revisions to the ORNL series of adult and pediatric computational phantoms for use with the MIRD schema. Health Phys 90(4):337-56, 2006. e-Pub 2006. PMID: 16538139.
- Farfán EB, Han EY, Bolch WE, Huh C, Huston TE, Bolch WE. A revised stylized model of the adult extrathoracic and thoracic airways for use with the ICRP-66 human respiratory tract model. Health Phys 86(4):337-352, 2004. e-Pub 2004. PMID: 15057054.
- Kim S, Han E. Conceptual source design and dosimetric feasibility study for intravascular treatment: a proposal for intensity modulated brachytherapy. J Korean Soc Ther Radiol Oncol 21(2):158-166, 2003. e-Pub 2003.
Abstracts
- Reiazi R, Kim Y, Han E, Prajapati S. Development and Implementation of MRI-Only Simulation, Planning and Treatment Workflow for Pelvic Radiotherapy Using Synthetic CT on MR-Linac. AAPM Annual Meeting, Washington, DC, 2025. e-Pub 2025.
- Su S, Mehrens H, Netherton T, Kim Y, Choi S, Court L, Han E. Optimizing Prostate Cancer Radiotherapy: Comprehensive Analysis of Automated Planning with Neural Network-Based Dose Prediction. AAPM Annual Meeting, Washington, DC, 2025. e-Pub 2025.
- Lin T, Kim M, Zhang J, Morrison C, Little, KJ, Han E. Advancing Global Medical Physics: AAPM Member Survey and Volunteer Database for International Collaboration. AAPM Annual Meeting, Los Angeles, CA, 2024. e-Pub 2024.
- Wang HC, Subashi E, Han E. Robustness Analysis of Positioning Uncertainties for Spinal SABR on Two Modern Radiation Therapy Modalities. AAPM Annual Meeting, Los Angeles, CA, 2024. e-Pub 2024.
- Rhee DJ, Perrin KJ, Leone AO, Yeboa DN, Perni S, Court LE, Nguyen CM, Wang X, Wang HC, Han EY. Rule-Based Automatic Planning for Hippocampus Sparing Whole Brain Radiotherapy. AAPM Annual Meeting, Los Angeles, CA, 2024. e-Pub 2024.
- Wang Z, Han E, Ding Y, Martin T, Briere TM, Yang J, Subashi ED, Chopra N, Sobremonte A, Rojas H, Wang J, Yeboa DV. Comparison of Adaptive Optimization Techniques for MR-Linac Based Spine Stereotactic Radiotherapy. AAPM Annual Meeting, Los Angeles, CA, 2024. e-Pub 2024.
- Ding Y, Martin T, Yeboa DN, Wang Z, Chopra N, Briere TM, Yang J, Subashi E, Wang J, Lathuilière F, Cloake S, Han EY. Clinical Protocol and Commissioning Focused on Spine SBRT on MR-Linac. AAPM Annual Meeting, Los Angeles, CA, 2024. e-Pub 2024.
- Diagaradjane P, Briere TM, Beckham T, Li J, Ghia AJ, Han E. Evaluation of Patient Setup Uncertainties in Brain and Spine Stereotactic Radiosurgery. AAPM Annual Meeting, Los Angeles, CA, 2024. e-Pub 2024.
- Ding Y, Yeboa DN, Yang J, Wang J, Cloake S, Lathuiliere F, Lessard E, Seithel, Han E. Real-Time Spinal Cord Motion Tracking for MR-guided Spine SBRT (A Pilot Study). ASTRO Annual Meeting 117(2):E671, 2023. e-Pub 2023.
- Chopra N, Briere TM, Krafft SP, Ding Y, Yang J, Han EY. Commissioning Klarity System on Elekta Unity System for Spine SBRT. AAPM Annual Meeting, Houston, TX, 2023. e-Pub 2023.
- Prajapati S, Court LE, Kry SF, Howell RM, Han EY. Managing Risk When Deploying Auto-Contouring and Auto-Planning Tools to Clinics with Limited Resources. AAPM Annual Meeting, Houston, TX, 2023. e-Pub 2023.
- Quan E, Han EY, Chung C, Briere T, Sadighi Z, McGovern S. Dosimetric impact of tumor treating fields transducer arrays on concurrent radiation therapy for pediatric brain tumors. Congress of the International Society of Pediatric Oncology (SIOP), Barcelona, Spain 69:5513-5514, 2022. e-Pub 2022.
- Han E, Yeboa D, Briere T, Yang J, Castillo P, Pham M, Wang H. Salvage Spine Stereotactic Re-Irradiation Treatment Planning and Daily Plan Adaptation Using MR-Linac. AAPM Annual Meeting, Washington, DC, 2022. e-Pub 2022.
- Quan E, Krafft S, Vaccarelli M, Briere T, Han E. Comparison of Setup Uncertainty and Efficiency Between Klarity SBRT System and BlueBAG System for Spine SBRT:e835-e836, 2022. e-Pub 2022.
- Nealon KA, Douglas RJ, Han EY, Kry SF, Reed VK, Simiele SJ, Zhang L, Court LE. Hazard Testing to Probe Points of Weakness in Automated Planning Tools. AAPM Annual Meeting, Washington, DC, 2022. e-Pub 2022.
- Han E, Yeboa D, Briere T, Yang J, Castillo P, Pham M, Wang H. Dosimetric Analysis of MR-Linac Treatment Plans for Salvage Spine SBRT Re-Irradiation. MRL Consortium meeting, Houston, TX, 2022. e-Pub 2022.
- Wang H, Han EY, Phan J, Lim ZY, Yang JZ, Pham M, Wang X. Feasibility of stereotactic radiotherapy for base of tongue cancers on Elekta MR-Linac. MRL Consortium meeting, Houston, TX, 2022. e-Pub 2022.
- Wang H, Chen XR, Zhao Y, Wang X, Han EY, Lim ZY, Yu H, Prajapati S, Yang JZ. Evaluation of delivered dose using synthetic CT for MR-guided and CT-guided radiotherapy. MRL Consortium meeting, Houston, TX, 2022. e-Pub 2022.
- Wang H, Han E, Phan J, Lim T, Yang J, Pham M, Wang X. Feasibility of Stereotactic Radiotherapy for Base of Tongue Cancers on the MR-Linac. AAPM Annual Meeting, Washington, DC, 2022. e-Pub 2022.
- Wang H, Chen X, Zhao Y, Wang X, Han E, Lim T, Yu Z, Prajapati S, Yang J. Evaluation of Delivered Dose Using Synthetic CT for MR-Guided and CT-Guided Radiotherapy. AAPM Annual Meeting, 2022. e-Pub 2022.
- Nealon K, Court L, Douglas R, Kry S, Reed V, Simiele S, Jiang L, Han E. Development and Validation of a Physics Safety Checklist for Review of Automatically Generated Treatment Plans. AAPM Annual Meeting, virtual, 2022. e-Pub 2022.
- Quan E, Han E, Chung C, Briere T, Sadighi Z, McGovern S. Dosimetric impact of tumor treating fields transducer arrays on concurrent radiation therapy for pediatric brain tumor. SNO, Boston, MA, 2021. e-Pub 2021.
- Wang H, Yang J, Phan J, Han E, Lim T, Castillo P, Wang X. Feasibility of Skull Base Stereotactic Radiotherapy on Elekta MR-Linac. AAPM Annual Meeting, virtual, 2021. e-Pub 2021.
- Luo D, Briere T, Han E, McAleer M. Comparison of Three Cushion Types for Gamma Knife Icon Mask Treatment. AAPM Annual Meeting, virtual, 2021. e-Pub 2021.
- Han E, Wang H, Briere T, Yeboa D, Boursianis T, Kalaitzakis G, Pappas E, Castillo P, Yang J. Brain Stereotactic Radiosurgery using MR-Guided Online Adaptive Planning to Daily Setup Variation: An End-To-End Test. AAPM Annual Meeting, virtual, 2021. e-Pub 2021.
- Krafft S, Han E, Briere T. Comparison of Intrafractional Motion Monitoring During Spine Stereotactic Body Radiation Therapy Using Multiple Immobilization Systems. AAPM Annual Meeting, virtual, 2021. e-Pub 2021.
- Han E, Cardenas C, Nguyen C, Briere T, Li J, Yeboa D, Wang C, Court L, Martel M, Wen Z. Dosimetric Analysis of Automated Treatment Planning for Whole Brain Radiotherapy with A Deep Learning Approach. AAPM Annual Meeting, virtual, 2020. e-Pub 2020.
- Baltz G, Briere T, Luo D, Howell R, Krafft S, Han E. 3D-Printed Headrest for Frameless Gamma Knife Radiosurgery: Design and Validation. AAPM Annual Meeting, virtual, 2020. e-Pub 2020.
- Han E, Krafft S, Briere T. Setup and Intrafractional Motion Error in the Hypo-Fractionated Brain Radiosurgery and the Effectiveness of Bite Block. AAPM Annual Meeting, virtual, 2020. e-Pub 2020.
- Diagaradjane P, Han E, Luo D, Ding Y, Kalaitzakis G, Zoros E, Zourari K, Boursianis T, Pappas E, Wen Z, Wang J, Briere T. PTV Margins for Gamma Knife Icon Frameless Treatment: A Validation Study. AAPM Annual Meeting, virtual, 2020. e-Pub 2020.
- Aima M, Han E, Hughes N, Briere T, Yeboa D, Castillo P, Wang J, Yang J, Vedam S. Spinal Stereotactic Radiotherapy Treatment Plan Quality and Delivery Comparison Between a Conventional Linac and a 1.5T MR-Linac. AAPM Annual Meeting, virtual, 2020. e-Pub 2020.
- Han E, Cardenas C, Nguyen C, Amirmazaheri M, Briere T, Li J, Court L, Martel M, Wen Z. Automated Treatment Planning for Whole Brain Irradiation with a Deep Learning Approach. AAPM Annual Meeting, 2019. e-Pub 2019.
- Han E, Luo D, Kim J, Tharp K, Wen Z, Briere T. End-To-End Test of the Gamma Knife Icon Plan Adaptation and High-Definition Motion Management System Using a Motorized Anthropomorphic Head Phantom. AAPM Annual Meeting, 2019. e-Pub 2019.
- Martin R, Briere T, Han E. Evaluating the Need for CBCT Image Guidance for Brain SRS with Exactrac. AAPM Annual Meeting, 2019. e-Pub 2019.
- Luo D, Han E, Wang X, Briere T. Robustness in GK ICON mask-based planning using non-composite shots. ISRS, 2019. e-Pub 2019.
- Han E, Kim G, Wang X, Yeboa D, Lee H, Svensson S, Briere T. End-to-End Test of Automatic Plan Optimization Using RayStation Scripting for Hypo-Fractionated Multi-Metastatic Brain SRT. AAPM Annual Meeting, 2018. e-Pub 2018.
- Wang X, Wang H, Luo D, Briere T, Han E, Wen Z, Zhao G, Yang J, Li J, McAleer M, Bishop A, Ghia A. Using Customized Headrest to Increase the Reproducibility of C-Spine Curvature in Spinal SBRT. AAPM Annual Meeting, Denver, CO, 2017. e-Pub 2017.
- Luo D, Wang X, Han E, Wen Z, Briere TM, Yang JN, Pan T. Comparison of Conventional CT and Dual Energy CT on Metal Artifact Reduction for the Pacemaker Patients in Gamma Knife Radiosurgery. AAPM Annual Meeting, Denver, CO, 2017. e-Pub 2017.
- Han E, Shin J, Wen Z, Lee C. Verification of Electron Return Effect in MR LINAC On Pediatric Patients for Whole Lung Irradiation and Bolus Effect. AAPM Annual Meeting, Denver, CO, 2017. e-Pub 2017.
- Wen Z, Wang X, Luo D, Han E, Briere T, Yang J. Small Field Spine Radiosurgery IMRT QA with Octavius 4D: Chamber Comparison and Beam Model Assessment. AAPM Annual Meeting, Denver, CO, 2017. e-Pub 2017.
- Han E, Shin J, Wen Z, Lee C. Evaluation of Dosimetric Impact of Electron Return Effect in MR LINAC On Pediatric Patients. AAPM Annual Meeting, Denver, CO, 2017. e-Pub 2017.
- Liang X, Penagaricano J, Paudel N, Zhang X, Morrill S, Corry P, Han E, Hardee M, Ratanatharathorn V. Evaluation of improvement of esophagus sparing in SBRT lung patients with biologically based MRT optimization. SU-E-P-47 42(6):3237, 2015. e-Pub 2015.
- Paudel N, Han E, Liang X, Morrill S, Zhang X, Hardee M, Penagaricano J, Ratanatharathorn V. Effect of jaw position on dose to critical structures in 3-D conformal radiotherapy treatment of pancreatic cancer. SU-E-T-346 42(6):3413, 2015. e-Pub 2015.
- Kim D, Han E, Paudel N, Hardee M, Chung W, Sung J, Yoon M. The comparison of risk of secondary malignancies arising from five different whole breast radiation treatments. SU-E-T-728 42(6):3504, 2015. e-Pub 2015.
- Han E, Kim D, Zhang X, Liang X, Wurtz A, Hardee M, Penagaricano J, Vaneerat R, Morrill S. Comparison of the Dosimetric Efficacy of Helical Dynamic Jaw Vs. Fixed Jaw of TomoTherapy HDA. SU-E-T-83 41(6):241, 2014. e-Pub 2014.
- Liang X, Morrill S, Hardee M, Han E, Penagaricano J, Zhang X, Vaneerat R. Point Dose Variation Using a Single Ir-192 HDR Brachytherapy Plan for Two Treatments with a Single Tandem-Ovoid Insertion for Cervical Cancer. SU-E-T- 263 41(6):284, 2014. e-Pub 2014.
- Zhang X, Gupta S, Han E, Morrill S, Penagaricano J, Liang X, Sharma S, Hardee M, Ratanatharathorn V. Multi-institution comparison for Truebeam commissioning data and beam modeling verification using an Anisotripic Analytic Algorithm. SU‐E‐T‐324 40(6):279, 2013. e-Pub 2013.
- Gupta S, Zhang X, Han E, Liang X, Sharma S, Morrill S, Hardee M, Penagaricano J, Ratanatharathorn V. Preliminary study of the comparison of patient specific QAs using the diode and ionization chamber based dosimetry systems. SUE-T-204 40(6):251, 2013. e-Pub 2013.
- Han E, Gupta S, Zhang X, Hardee M, Ratanathrathorn V, Morrill S. Assessment of monthly linear accelerator beam profile constancy based on AAPM TG-142 recommendations, SU-E-T-154 40(6):239, 2013. e-Pub 2013.
- Zhang X, Penagaricano J, Sharma S, Clarkson R, Chao M, Chen X, Han E, Corry P, Ratanatharathorn V. SU‐E‐T‐345: A Dosimetric Study of Spatially Fractionated Radiation (Grid) Using Linac Grid Block and Newly Designed Virtual TOMOGRID Template. SU-E-T-345. 54th Annual Meeting of the American Association of Physicists in Medicine (AAPM) 39(6):3783, 2012. e-Pub 2012.
- Han E, Lee C, McGuire E, T Brown T, Penagaricano J, Corry P, Bolch W. Patient Specific Assessment of External Radiation Exposure to Bystanders Interacting with Patients Following 131I Therapy. SU-E-J-182 39(6):3694, 2012. e-Pub 2012. PMID: 28519014.
- Han E, Harma S, Yan Y, Moros E, Corry P. Using Monte Carlo in the Design of Small Animal Irradiator Collimators 38:3560, 2011. e-Pub 2011.
- Yan Y, Penagaricano J, Corry P, Moros E, Gardner K, Han EY, Zhang X, Chao M, Griffin RJ, Ratanatharathorn V. SU-C-BRB-01: Spatially Fractionated Radiation Therapy (GRID) Using a TomoTherapy Unit 38:3369, 2011. e-Pub 2011.
- Yan Y, Velasco C, Zhang X, Chao M, Han EY, Moros E. A Digital QA Solution Using 2D Ion Chamber Array. SU-GG-T-299 37(6):3254, 2010. e-Pub 2010.
- Han E, Zhang X, Velasco C, Yan Y, Moros E. SU-GG-T-534: The Impact of Linac Static Jaw Setting on Dose Output from Small Field SRS/SRT Using an Add-On Micro-Multileaf Collimator 37:3310, 2010. e-Pub 2010.
Patient Reviews
CV information above last modified July 29, 2025